RFR: 8344381: [s390x] Test failures with error: Register type is not known [v2]

[Amit Kumar]

> Adds SaveLiveRegister portion for vector registers also. 
> 
> Depends on https://github.com/openjdk/jdk/pull/22190. Once that PR gets integrated, will rebase and mark it ready for review.

Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:

  suggestion from martin

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/22197/files
  - new: https://git.openjdk.org/jdk/pull/22197/files/6645f7b2..c6928c4b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22197&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22197&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22197.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22197/head:pull/22197

PR: https://git.openjdk.org/jdk/pull/22197